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Private Name Tags
ContractCreator
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Contract Name:
TransparentUpgradeableProxy
Compiler Version
v0.8.15+commit.e14f2714
Optimization Enabled:
Yes with 1 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (proxy/transparent/TransparentUpgradeableProxy.sol)pragma solidity ^0.8.0;import "../ERC1967/ERC1967Proxy.sol";/*** @dev This contract implements a proxy that is upgradeable by an admin.** To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector* clashing], which can potentially be used in an attack, this contract uses the* https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two* things that go hand in hand:** 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if* that call matches one of the admin functions exposed by the proxy itself.* 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the* implementation. If the admin tries to call a function on the implementation it will fail with an error that says* "admin cannot fallback to proxy target".** These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing* the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due* to sudden errors when trying to call a function from the proxy implementation.** Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)pragma solidity ^0.8.0;import "../Proxy.sol";import "./ERC1967Upgrade.sol";/*** @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an* implementation address that can be changed. This address is stored in storage in the location specified by* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the* implementation behind the proxy.*/contract ERC1967Proxy is Proxy, ERC1967Upgrade {/*** @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.** If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded* function call, and allows initializating the storage of the proxy like a Solidity constructor.*/constructor(address _logic, bytes memory _data) payable {assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));_upgradeToAndCall(_logic, _data, false);}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)pragma solidity ^0.8.0;/*** @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to* be specified by overriding the virtual {_implementation} function.** Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a* different contract through the {_delegate} function.** The success and return data of the delegated call will be returned back to the caller of the proxy.*/abstract contract Proxy {/*** @dev Delegates the current call to `implementation`.** This function does not return to its internal call site, it will return directly to the external caller.*/function _delegate(address implementation) internal virtual {assembly {// Copy msg.data. We take full control of memory in this inline assembly// block because it will not return to Solidity code. We overwrite the// Solidity scratch pad at memory position 0.
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)pragma solidity ^0.8.2;import "../beacon/IBeacon.sol";import "../../interfaces/draft-IERC1822.sol";import "../../utils/Address.sol";import "../../utils/StorageSlot.sol";/*** @dev This abstract contract provides getters and event emitting update functions for* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.** _Available since v4.1._** @custom:oz-upgrades-unsafe-allow delegatecall*/abstract contract ERC1967Upgrade {// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;/*** @dev Storage slot with the address of the current implementation.* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is* validated in the constructor.
12345678910111213141516// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)pragma solidity ^0.8.0;/*** @dev This is the interface that {BeaconProxy} expects of its beacon.*/interface IBeacon {/*** @dev Must return an address that can be used as a delegate call target.** {BeaconProxy} will check that this address is a contract.*/function implementation() external view returns (address);}
1234567891011121314151617181920// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)pragma solidity ^0.8.0;/*** @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified* proxy whose upgrades are fully controlled by the current implementation.*/interface IERC1822Proxiable {/*** @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation* address.** IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this* function revert if invoked through a proxy.*/function proxiableUUID() external view returns (bytes32);}
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)pragma solidity ^0.8.1;/*** @dev Collection of functions related to the address type*/library Address {/*** @dev Returns true if `account` is a contract.** [IMPORTANT]* ====* It is unsafe to assume that an address for which this function returns* false is an externally-owned account (EOA) and not a contract.** Among others, `isContract` will return false for the following* types of addresses:** - an externally-owned account* - a contract in construction* - an address where a contract will be created* - an address where a contract lived, but was destroyed* ====*
1234567891011121314151617181920212223242526// SPDX-License-Identifier: MIT// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)pragma solidity ^0.8.0;/*** @dev Library for reading and writing primitive types to specific storage slots.** Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.* This library helps with reading and writing to such slots without the need for inline assembly.** The functions in this library return Slot structs that contain a `value` member that can be used to read or write.** Example usage to set ERC1967 implementation slot:* ```* contract ERC1967 {* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;** function _getImplementation() internal view returns (address) {* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;* }** function _setImplementation(address newImplementation) internal {* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;* }
12345678910111213141516171819202122232425{"optimizer": {"enabled": true,"runs": 1,"details": {"yulDetails": {"optimizerSteps": "dhfoDgvulfnTUtnIf [xa[r]scLM cCTUtTOntnfDIul Lcul Vcul [j] Tpeul xa[rul] xa[r]cL gvif CTUca[r]LsTOtfDnca[r]Iulc] jmul[jul] VcTOcul jmul"}}},"outputSelection": {"*": {"*": ["evm.bytecode","evm.deployedBytecode","devdoc","userdoc","metadata","abi"]}},"viaIR": true,"libraries": {}}
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"admin_","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"admin_","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"implementation_","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001c1853bc7c6bff0d276da53972c0b1a066db1ae70000000000000000000000001ec63b5883c3481134fd50d5daebc83ecd2e877900000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _logic (address): 0x1C1853Bc7C6bFf0D276Da53972C0b1a066DB1AE7
Arg [1] : admin_ (address): 0x1EC63B5883C3481134FD50D5DAebc83Ecd2E8779
Arg [2] : _data (bytes): 0x
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000001c1853bc7c6bff0d276da53972c0b1a066db1ae7
Arg [1] : 0000000000000000000000001ec63b5883c3481134fd50d5daebc83ecd2e8779
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
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